TRENCH FORMER

METAL BUILDING MATERIALS, NAMELY, RAILS, GRATES AND ANCHORING LEGS AND PARTS AND ACCESSORIES THEREFOR, NAMELY, BOLTS, LOCK TOGGLES, NUTS, END RAILS, CROSS TIES, ALIGNMENT CLIPS, ANCHOR STUDS, L-RAIL ASSEMBLIES, T-RAIL ASSEMBLIES AND COVERS, FOR USE IN CONSTRUCTION OF DRAINAGE SYSTEMS

NON-METAL BUILDING MATERIALS, NAMELY, CASTING FORMS FOR CEMENTITIOUS MATERIAL FOR USE IN THE CONSTRUCTION OF DRAINAGE SYSTEMS, NAMELY, DRAINS, CATCH BASINS, UTILITY CHASES, OIL-WATER SEPARATORS AND OTHER VOIDS IN CEMENTITIOUS PLACEMENTS